SB2020042807 - Multiple vulnerabilities in Kiali
Published: April 28, 2020 Updated: April 28, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Insufficient Session Expiration (CVE-ID: CVE-2020-1762)
CWE-ID: CWE-613 - Insufficient Session Expiration
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to an insufficient JWT validation. A remote non-authenticated attacker can steal a valid JWT cookie and gain unauthorized access to session that belongs to another user, possibly gain privileges to view and alter the Istio configuration.
2) Use of Hard-coded Cryptographic Key (CVE-ID: CVE-2020-1764)
CWE-ID: CWE-321 - Use of Hard-coded Cryptographic Key
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
The vulnerability allows a remote attacker to gain unauthorized access to the system.
The vulnerability exists due to presence of a hard-coded cryptographic key in the default configuration file. A remote attacker can create their own JWT signed tokens and bypass Kiali authentication mechanisms, possibly gaining privileges to view and alter the Istio configuration.
Remediation
Install update from vendor's website.